Chemistry For question 's 24-27: Consider the following information about the titration of 0.10M ammonia with standardized HCI (titration curve seen below) NH) + H NH 1.8 x 10 4.74 10 30 40 Volume of HCI What major species is (are) present at point D? O NH, only O NH, and NH, O NH," and H" O I' only O NH, only Question 25 What is the pH at point B? 9.26 4.74 O 7.00 O A pH other than what's listed O 11.13 Question 2o What major species is (are) present at point B? OH only O NH, only O NH3 and NH. O NH3 only O NH, and OH" Which of the following represents the approximate pH at the equivalence point of the titration? O pH = 7 O Impossible to determine O pH < 7 O pH > 7

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Chapter1: Chemical Foundations
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For question #'s 24-27: Consider the following information about the titration of 0.10M ammonia with standardized HCI (titration curve seen below):
K
1.8 x 10
NH) + H NH
4,74
10
40
Volume of HC
What major species is (are) present at point D?
O NH, only
O NH, and NH,
O NH," and H
OH' only
O NH, only
Question 25
What is the pH at point B?
9.26
O 4.74
O 7.00
O A pH other than what's listed
O 11.13
Question Zo
What major species is (are) present at point B?
O OH only
O NH, only
O NH3 and NH,
O NH3 only
O NH, and OH
Which of the following represents the approximate pH at the equivalence point of the titration?
O pH = 7
O Impossible to determine
O pH < 7
O pH > 7
Transcribed Image Text:Chemistry For question #'s 24-27: Consider the following information about the titration of 0.10M ammonia with standardized HCI (titration curve seen below): K 1.8 x 10 NH) + H NH 4,74 10 40 Volume of HC What major species is (are) present at point D? O NH, only O NH, and NH, O NH," and H OH' only O NH, only Question 25 What is the pH at point B? 9.26 O 4.74 O 7.00 O A pH other than what's listed O 11.13 Question Zo What major species is (are) present at point B? O OH only O NH, only O NH3 and NH, O NH3 only O NH, and OH Which of the following represents the approximate pH at the equivalence point of the titration? O pH = 7 O Impossible to determine O pH < 7 O pH > 7
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